Oyster-opening implement



(No Model.) v G. W. THOMPSON. OYSTER OPENING IMPLEMENT.

.No. 408,939. Patented Aug. 13,1889.

WITNESSES: IIVI/E/VTOI? QJZ QLMQ ATTORNEY UNITED STATES PATENT OFFICE.

GEORGE XV. THOMPSON, OF SAG HARBOR, NEXV YORK.

OYSTER-OPENING IMPLEMENT.

To all whom, it may concern: a screw or pin 0, passed through the bladeBe it known that I, GEORGE WV. THOMPSON, into the jaw, prevents endwiseslipping of the of Sag Harbor, in the county of Suffolk and knifetherefrom.

State of New York, have invented a new and At each edge of the knifewhere it is fitted Improved Oyster- Opening Implement, of into the jawa, the latter is preferably prowhich the following is a full, clear, andexact vided with a tooth or projection E, and both description. theseprojections E E-0ne at each edge of My invention relates to an implementmore the knife-are directly opposite teeth e e on 10 other shell-fisheasily and quickly and in a vided with a larger central tooth or cuttere end of the shell of an oyster, the teeth E e scribed and claimed.

eference is to be had to the accompanying drawings, forming a part ofthis specification, 20 in which similar letters of reference indicatecorresponding parts in all the Views.

igure 1 is a perspective view of my im- I make the lever B with aprojection 19 at t e two levers or jaws, to facilitate the opening ofthe jaws by the thumb of the hand grasping thetool, should it bepreferred to operate it in this manner; but the long arm of the lever Bnormally overbalances its jaw 25 the handle partly broken away and insection, and with the jaws closed; and Fi 3 is a cross section throughthe jaws of the tool and taken on the line 00 x in Fig. 2.

30 B, pivoted together near one end, and a blade The operation of theimplement is verysimsame hand. 3 5 handle or st0ck, which is preferablymade of ter-shell will then be placed at one end he o ner rear or handleportion Z) of the other tween the halves of the shell, cutting the eyeoted together by a screw D, and forward of be understood.

this screw their short arms are formed as It will also be noticed thatthe detachable pincher-like jaws a b, respectively, which are connectionof the knife-blade O allows it to 45 adapted to be closed upon the endof the shell be removed at will for repair or renewal or to 5 of anoyster or a clam or other shell-fish to allow the implement to bepackedaway in break it off. The blade or knife 0 is prefersmaller space,if desired.

ably fitted to the jaw a of the handle-lever A Having thus described myinvention, whatI by an undercut or dovetail shaped joint, claim as new,and desire to secure by Letters 0 c earl 'shown in Fi .3 of the drawin sand Patent is- IOO 3 b o 7 a 1. An oyster-opening implenient consistingjaws a b, and a blade 0, held detaehably to I 5 of two pivoted leversforming a handle and the jaw a,whieh has teeth E E next the blade, twopinehenlilze jaws and a knife or blade substantially as herein setforth.

held detaehably to one of the jaws, snbstan- &. The combination, in anoyster-opening 5 tially as herein set forth. implement, of two levers AB, pivoted to- 2. he combination, in an oyster-opening" gether at D andproviding a handle and two 20 implement, of two pivoted levers forming ajaws (L b, and a blade 0, held to the jaw a, handle and two pineher'likejaws and a knife said jaw a having teeth E E, and the jaw 01' blade helddetaehably to one jaw, which having teeth 0 e e, substantially as herein[0 has projeetions or teeth next the blade, snbset forth.

stantially as herein set forth. GEORGE \V. THOMPSON.

3. The combination, in an oyster-opening \Vitnesses: implement, of twolevers A B, pivoted to- I'IENRY J. HARPER,

gether at I) and providing a handle and two CLARENCE l. PRATT.

